From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sun, 7 May 2023 22:26:59 -0700
Subject: [PATCH] Sneak to bulk process composter


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 504c996220b278c194c93e001a3b326d549868ec..9c33daaf92fe590272d5cc32f538ae9bef4d07bc 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -583,7 +583,7 @@ public class ServerPlayerGameMode {
             ItemStack itemstack1 = stack.copy();
             InteractionResult enuminteractionresult;
 
-            if (!flag1) {
+            if (!flag1 || (player.level().purpurConfig.composterBulkProcess && iblockdata.is(Blocks.COMPOSTER))) { // Purpur
                 InteractionResult enuminteractionresult1 = iblockdata.useItemOn(player.getItemInHand(hand), world, player, hand, hitResult);
 
                 if (enuminteractionresult1.consumesAction()) {
diff --git a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
index db837b250fc35af5b528bf973b3b07f63e79bc46..ed3a310d56a0cca8c4c11c3768ac2056cd11edea 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -241,18 +241,27 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
         int i = (Integer) state.getValue(ComposterBlock.LEVEL);
 
         if (i < 8 && ComposterBlock.COMPOSTABLES.containsKey(stack.getItem())) {
-            if (i < 7 && !world.isClientSide) {
-                BlockState iblockdata1 = ComposterBlock.addItem(player, state, world, pos, stack);
-                // Paper start - handle cancelled events
-                if (iblockdata1 == null) {
-                    return InteractionResult.PASS;
-                }
-                // Paper end
-
-                world.levelEvent(1500, pos, state != iblockdata1 ? 1 : 0);
-                player.awardStat(Stats.ITEM_USED.get(stack.getItem()));
-                stack.consume(1, player);
+            // Purpur start - sneak to bulk process composter
+            BlockState newState = process(i, player, state, world, pos, stack);
+            if (newState == null) {
+                return InteractionResult.PASS;
             }
+            if (world.purpurConfig.composterBulkProcess && player.isShiftKeyDown() && newState != state) {
+                BlockState oldState;
+                int oldCount, newCount, oldLevel, newLevel;
+                do {
+                    oldState = newState;
+                    oldCount = stack.getCount();
+                    oldLevel = oldState.getValue(ComposterBlock.LEVEL);
+                    newState = process(oldLevel, player, oldState, world, pos, stack);
+                    if (newState == null) {
+                        return InteractionResult.PASS;
+                    }
+                    newCount = stack.getCount();
+                    newLevel = newState.getValue(ComposterBlock.LEVEL);
+                } while (newCount > 0 && (newCount != oldCount || newLevel != oldLevel || newState != oldState));
+            }
+            // Purpur end
 
             return InteractionResult.SUCCESS;
         } else {
@@ -260,6 +269,25 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
         }
     }
 
+    // Purpur start - sneak to bulk process composter
+    private static @Nullable BlockState process(int level, Player player, BlockState state, Level world, BlockPos pos, ItemStack stack) {
+        if (level < 7 && !world.isClientSide) {
+            BlockState iblockdata1 = ComposterBlock.addItem(player, state, world, pos, stack);
+            // Paper start - handle cancelled events
+            if (iblockdata1 == null) {
+                return null;
+            }
+            // Paper end
+
+            world.levelEvent(1500, pos, state != iblockdata1 ? 1 : 0);
+            player.awardStat(Stats.ITEM_USED.get(stack.getItem()));
+            stack.consume(1, player);
+            return iblockdata1;
+        }
+        return state;
+    }
+    // Purpur end
+
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         int i = (Integer) state.getValue(ComposterBlock.LEVEL);
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index f99d1df0358804862f2d98cd39d1aaf1369081c5..3740c1390debbc660ecf31dee0dc7e58096bf1ba 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -437,6 +437,11 @@ public class PurpurWorldConfig {
         chestOpenWithBlockOnTop = getBoolean("blocks.chest.open-with-solid-block-on-top", chestOpenWithBlockOnTop);
     }
 
+    public boolean composterBulkProcess = false;
+    private void composterSettings() {
+        composterBulkProcess = getBoolean("blocks.composter.sneak-to-bulk-process", composterBulkProcess);
+    }
+
     public boolean dispenserApplyCursedArmor = true;
     public boolean dispenserPlaceAnvils = false;
     private void dispenserSettings() {